2.22 Arc fault protection
(50ARC/50NARC)-optional
2 Protection functions
Technical description
96
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VM50.EN004
Parameter Value Unit Description
Note
ILmax
Io1
Value of the supervised signal
Stage ArcI>
Stage ArcI
01
>
ArcI>
ArcIo1>
pu
pu
Pick up setting xI
N
Pick up setting xI
01N
Set
ArcIn
–
S1
S2
S1/S2
BI
S1/BI
S2/BI
S1/S2/
BI
Light indication source selection
No sensor selected
Sensor 1 at terminals X6:5-6
Sensor 2 at terminals X6:7-8
Terminals X6:1-4
Set
Delayed light signal output
Ldly
s
Delay for delayed light output
signal
Set
LdlyCn
–
S1
S2
S1/S2
BI
S1/BI
S2/BI
S1/S2/
BI
Light indication source selection
No sensor selected
Sensor 1 at terminals X6:5-6
Sensor 2 at terminals X6:7-8
Terminals X6:1-4
Set
For details of setting ranges see chapter 9.3.
Set = An editable parameter (password needed)
C = Can be cleared to zero
F = Editable when force flag is on
Recorded values of the latest eight faults
There is detailed information available of the eight latest
faults: Time stamp, fault type, fault value, load current before
the fault and elapsed delay.